The 2XU Women's Long Sleeve Thermal Compression Top gives you the baselayer warmth you need with the benefit of compression to fight early muscle fatigue and speed in your recovery. Compression tops are made to hold close to the body like a second skin, but certain parts of the body need more compression than others, which is why 2XU uses a graduated compression fit for the Thermal compression Top. A graduated fit puts compressive pressure throughout the base layer, focusing a higher amount of pressure at the extremities, gradually decreasing towards the heart. This engineering of fit increases circulation, which increases oxygen delivery to your muscles, and the removal of waste products The raglan sleeves eliminate seams over your shoulders, to reduce chafing and provide a full range of motion. 2XU uses soft, brushed, PWR FLEX fabric throughout the baselayer for optimal warmth. Moisture wicking elements throughout the material keep your skin dry while the PWR fabric regulates your core body temperature. The 2XU Women's Long Sleeve Thermal Compression Top comes in Black and is available in four sizes, Small through X Large.